Thanks for your quick replies, although restarting my machine, disc cache is cleared, I am trying to find an utility which could do the job without requiring a restart.
Regards, Manohar.S On Mon, Feb 23, 2009 at 1:47 PM, Dan <danielk1...@gmail.com> wrote: > > On Feb 23, 2009, at 2:44 PM, manohar s wrote: > > > Hi, > > I am doing some performance analysis on my SQLite queries. The > > problem is > > SQLite seems to be caching query results. > > I tried restarting my program, that is not helping. only if i don't > > access > > that database for 2 days then it is giving proper profile data. > > * > > Question* > > 1) How can I disable query result caching in SQLite? > > Assuming you are using SQLite directly, SQLite does not cache query > results. It does cache pages of the database file in memory to reduce > the amount of data loaded from the disk. This cache is just in regular > heap memory, so it is destroyed when the process using sqlite exits. > > Probably what you are seeing is that the OS caches recently accessed > file-system sectors. The first time you run the SQLite query data must > be loaded from the magnetic disk. The second and subsequent runs > retrieve data from the OS cache. Much faster. > > Dan. > > > > > > > Regards, > > Manohar.S > > _______________________________________________ > > sqlite-users mailing list > > sqlite-users@sqlite.org > > http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users > > _______________________________________________ > sqlite-users mailing list > sqlite-users@sqlite.org > http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users > -- hope is the only thing which keeps us all happy http://sqlyog.wordpress.com/ _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
